Triggering it by firing Euclid's C-Finder at a target causes three laser beams to converge on the target, followed by a large blue laser beam from the sky which causes massive damage. The laser must charge for at least 24 hours before each subsequent use after the first. At the conclusion of I Could Make You Care by activating the weapon, Veronica Santangelo will refer to Archimedes II as "glorified artillery" when speaking to Elder McNamara (or Elder Hardin, depending on the result of Still in the Dark).